fixed : config file use . as decimal separator even when LOCALE is different

git-svn-id: http://tint2.googlecode.com/svn/trunk@445 121b4492-b84c-0410-8b4c-0d4edfb3f3cc

src/tint.c

@@ -130,6 +130,8 @@ void init_X11()
 	XSelectInput (server.dsp, server.root_win, PropertyChangeMask|StructureNotifyMask);
 
 	setlocale (LC_ALL, "");
+	// config file use '.' as decimal separator
+	setlocale(LC_NUMERIC, "POSIX");
 
 	// load default icon
 	gchar *path;